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/*
* GPL HEADER START
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* GPL HEADER END
*
* Copyright 2011 various Linux Kernel contributors.
* Copyright 2011 Joyent, Inc. All Rights Reserved.
*/
#ifndef __KVM_X86_LAPIC_H
#define __KVM_X86_LAPIC_H
#include <vm/page.h>
#include "kvm_iodev.h"
#include "kvm_timer.h"
#define APIC_LVT_NUM 6
/* 14 is the version for Xeon and Pentium 8.4.8 */
#define APIC_VERSION (0x14UL | ((APIC_LVT_NUM - 1) << 16))
typedef struct kvm_lapic {
unsigned long base_address;
struct kvm_io_device dev;
struct kvm_timer lapic_timer;
uint32_t divide_count;
struct kvm_vcpu *vcpu;
int irr_pending;
void *regs;
gpa_t vapic_addr;
page_t *vapic_page;
} kvm_lapic_t;
extern int kvm_create_lapic(struct kvm_vcpu *);
extern void kvm_lapic_reset(struct kvm_vcpu *);
extern void kvm_free_lapic(struct kvm_vcpu *);
extern void kvm_apic_set_version(struct kvm_vcpu *);
extern int kvm_apic_present(struct kvm_vcpu *vcpu);
extern void kvm_lapic_sync_from_vapic(struct kvm_vcpu *);
extern void kvm_lapic_sync_to_vapic(struct kvm_vcpu *);
extern int kvm_apic_has_interrupt(struct kvm_vcpu *);
extern int kvm_apic_accept_pic_intr(struct kvm_vcpu *);
extern int kvm_get_apic_interrupt(struct kvm_vcpu *);
extern int kvm_apic_match_dest(struct kvm_vcpu *, struct kvm_lapic *,
int, int, int);
extern int kvm_lapic_enabled(struct kvm_vcpu *);
extern uint64_t kvm_lapic_get_cr8(struct kvm_vcpu *);
extern int kvm_lapic_find_highest_irr(struct kvm_vcpu *);
extern int kvm_apic_set_irq(struct kvm_vcpu *, struct kvm_lapic_irq *);
extern int kvm_apic_compare_prio(struct kvm_vcpu *, struct kvm_vcpu *);
extern void kvm_lapic_set_tpr(struct kvm_vcpu *, unsigned long);
extern void kvm_lapic_set_base(struct kvm_vcpu *, uint64_t);
extern int kvm_lapic_set_vapic_addr(struct kvm_vcpu *, struct kvm_vapic_addr *);
extern int kvm_x2apic_msr_write(struct kvm_vcpu *, uint32_t, uint64_t);
extern int kvm_x2apic_msr_read(struct kvm_vcpu *, uint32_t, uint64_t *);
extern int kvm_hv_vapic_msr_write(struct kvm_vcpu *, uint32_t, uint64_t);
extern int kvm_hv_vapic_msr_read(struct kvm_vcpu *, uint32_t, uint64_t *);
extern uint64_t kvm_get_apic_base(struct kvm_vcpu *);
extern void kvm_set_apic_base(struct kvm_vcpu *, uint64_t);
extern int kvm_irq_delivery_to_apic(struct kvm *,
struct kvm_lapic *, struct kvm_lapic_irq *);
extern void kvm_apic_post_state_restore(struct kvm_vcpu *);
#endif
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